Riello PRESS 140 T/N ECO Installation, Use And Maintenance Instructions page 50

3.2 ELECTRICAL SYSTEM
PROBE CONNECTION
TO THE HEAT REGULATOR
D2737
CMP Pump motor contact maker
CMV Fan motor contact maker
CR Pre-heater contact maker
CO Switch
FR photocell
L1 Indicator lights for 1
L2 Indicator lights for 2
L3 Indicator lights for 3
MB Burner terminal strip
MP Pump motor
MV Fan motor
R1 Atomiser holder resistor
R2 Pump resistor
R3 Valve group resistor
RMO Electrical control box
2915839
(made in the factory)
st
stage
nd
stage
rd
stage
6
GB
RT CMV thermal relay
RT1 CMP thermal relay
S Pre-heater tank
SM Servomotor
SO Probe PT100
TA Ignition transformer
TB Burner earth
TE Thermoregulator
Tm Minimum thermostat
TM Maximum thermostat
TP Timer
st
V1 1 stage valve
nd
V2 2 stage valve
rd
V3 3 stage valve
VS Safety valve
PA Air pressure switch
D2620
SWITCH
SCHEMATIC
D2738